Dwell hosts a Q&A with Mike Landau, solar water heating program manager for SoCalGas and Nurit Katz, chief sustainability officer and executive officer for facilities management at UCLA, exploring innovations in solar water heating.

Is that a drone hovering near your property line? Drew Porter’s pocket-size radio device for compromising entire smart homes can be effective three or more blocks away from a target. This means that if a burglar can’t physically approach your house because of a camera or an alarm, they can still fly a signal-jamming device into your neighborhood, using an off-the-shelf drone, to switch things off from afar. Drone attacks on the suburbs are already considered enough of a threat that UAV-detection systems can be installed to listen for the telltale whir of tiny rotors.